[Bug target/126550] RISC-V: auto-vectorization miscompiles duplicated deinterleave store via vcompress/vrgather (rv64gcv_zvl256b)

[rdapp at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126550

Robin Dapp <rdapp at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rdapp at gcc dot gnu.org
   Last reconfirmed|                            |2026-07-31
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from Robin Dapp <rdapp at gcc dot gnu.org> ---
Reproducible on trunk with -fno-vect-cost-model.